Install SCA Tools

Do not forget to select the SCA Tools Feature - SAWSDL support which brings the semantic annotations support to SCA Tools.

Install Jena Library

Jena is a Java Framework for building Semantic Web applications.
The Jena 2.0 Library Plugin is a wrapper for the latest Jena Libraries, it brings the API support when developing other Eclipse plugins.

The Ontology Concept Digger view

This view uses any installed semantic framework like Jena to add semantic information to SCA elements.
It is a search view that allows to load *.owl files (or other ontology files) and search for semantic conecpts.
Once the wanted concept is found, it can be dragged and dropped from the search view to the SCA element to annotate.

If the Ontology Concept Digger view is not visible :

Go to Window menu > Show view > Other.

Select Semantic > Ontology Concept Digger.

Ontology Concept Digger configuration

The Ontology Concept Digger can use local and remote OWL models.
To use a local model :

Click on the View menu button > Modify Sources Settings.

In the General tab, select Use Local OWL files.

In the Local OWL Models tab, add and select the previously downloaded purchasedorder.owl

DnD enabled from the view to some SCA elements

The following SCA elements are SAWSDL enabled : Component, Component Services, Component References.
The Ontology Concept Digger provides DnD from its result list to these elements.

How to add semantic information to a composite

There are two ways to add semantic annotations on SAWSDL extended SCA elements.